xichen01 opened a new pull request, #5660:
URL: https://github.com/apache/ozone/pull/5660
## What changes were proposed in this pull request?
Add a performance audit log for slow requests on the Datanode, which will be
output if the request processing time exceeds the threshold(500ms by default).
Example:
```shell
2023-1-1 17:01:59,134 | INFO | DNAudit |
[bTxId:e82fc88abef1427faec04e7473a33f8e, bSpanId:efa32ade0866e39d] user=null |
ip=null | op=GET_BLOCK {blockData=conID: 674595 locID: 109611023645035393
bcsId: 1506141102} performance={opLatencyMs=1724, preOpLatencyMS=0} | ret=null |
2023-1-1 17:01:59,134 | INFO | DNAudit | [bTxId:, bSpanId:] user=null |
ip=null | op=GET_BLOCK {blockData=conID: 674595 locID: 109611023645332310
bcsId: 1506237580} performance={opLatencyMs=1953, preOpLatencyMS=0} | ret=null |
2023-1-1 17:02:56,288 | INFO | DNAudit |
[bTxId:099d6fc1228e468aac59ed0cce13ce66, bSpanId:efa3ea780866e83b] user=null |
ip=null | op=GET_BLOCK {blockData=conID: 674595 locID: 109611023645245975
bcsId: 1506209514} performance={opLatencyMs=882, preOpLatencyMS=0} | ret=null |
2023-1-1 17:12:15,903 | INFO | DNAudit | [bTxId:, bSpanId:] user=null |
ip=null | op=READ_CHUNK {blockData=conID: 661896 locID: 109611023348686704
bcsId: 1400692708, blockDataSize=749} performance={opLatencyMs=502,
preOpLatencyMS=0} | ret=null |
```
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-9719
## How was this patch tested?
Manual test
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